package com.atguigu.gulimail.product.service.impl;

import org.apache.commons.lang.StringUtils;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.Map;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.atguigu.common.utils.PageUtils;
import com.atguigu.common.utils.Query;

import com.atguigu.gulimail.product.dao.SkuInfoDao;
import com.atguigu.gulimail.product.entity.SkuInfoEntity;
import com.atguigu.gulimail.product.service.SkuInfoService;


@Service("skuInfoService")
public class SkuInfoServiceImpl extends ServiceImpl<SkuInfoDao, SkuInfoEntity> implements SkuInfoService {

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<SkuInfoEntity> page = this.page(
                new Query<SkuInfoEntity>().getPage(params),
                new QueryWrapper<SkuInfoEntity>()
        );

        return new PageUtils(page);
    }

    //保存sku的基本信息
    @Override
    public void saveSkuInfo(SkuInfoEntity skuInfoEntity) {
        this.baseMapper.insert(skuInfoEntity);
    }

    /*
    *
    *
    * */
    @Override
    public PageUtils queryPageByCondition(Map<String, Object> params) {
        QueryWrapper<SkuInfoEntity> wrapper = new QueryWrapper<>();
        //自定义条件
        //获取key检索条件的key
        String key = (String) params.get("key");
        if(!StringUtils.isEmpty(key)){
            wrapper.and((w)->{
                //进行拼装条件
                w.eq("sku_id",key).or().like("sku_name",key);
            });
        }
        String catelogId = (String) params.get("catelogId");
        if(!StringUtils.isEmpty(catelogId) && !"0".equalsIgnoreCase(catelogId)){
            //进行拼接条件
            wrapper.eq("catalog_id",catelogId);
        }
        String brandId = (String) params.get("brandId");
        if(!StringUtils.isEmpty("brandId") && !"0".equalsIgnoreCase(brandId)){
            //拼装 brandId = ?
            wrapper.eq("brand_id",brandId);
        }
        //价格区间的条件的设置
        String min = (String) params.get("min");
        if(!StringUtils.isEmpty(min)){
            //拼装条件  price>=min
            wrapper.ge("price",min);
        }
        //拼装条件 price<=max
        String max = (String) params.get("max");
        if(!StringUtils.isEmpty(max)){

            try {
                //max值封装到BigDecimal
                BigDecimal bigDecimal = new BigDecimal(max);
                if(bigDecimal.compareTo(new BigDecimal("0"))==1){
                    wrapper.le("price",max);
                }
            }catch (Exception e){
                e.printStackTrace();
            }

        }
        /**key:
         catelogId: 225
         brandId: 6
         min: 0
         max: 2
         */
        IPage<SkuInfoEntity> page = this.page(
                new Query<SkuInfoEntity>().getPage(params),
                wrapper
        );
        return new PageUtils(page);
    }

}